Upload index.js

IT17160162/webapp/src/index.js

+import React from 'react';
+import ReactDOM from 'react-dom';
+import './asserts/css/index.css';
+import App from './App';
+import 'bootstrap/dist/css/bootstrap.css';
+
+ReactDOM.render(
+  <React.StrictMode>
+    <App />
+  </React.StrictMode>,
+  document.getElementById('root')
+);
+